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Marc01 Regular user 119 Posts |
Is there an easy way (chimical?) to tarnish copper coins ,that they become almost black (so are sometimes very old copper coins). This way I find that the contrast is much better for copper silver routines.
Thanks for your help. Marc |
Jonathan Townsend Eternal Order Ossining, NY 27297 Posts |
There are oxidizing compounds available at larger craft stores.
If you can afford it, you are probably better off getting REALLY old coins and being nice to them.
...to all the coins I've dropped here
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Bill Hegbli Eternal Order Fort Wayne, Indiana 22797 Posts |
My English Pennys turn very quickly to dark brown. Just let them out and they will turn. they will turn faster if you put them in your pocket and sweat.
No that is different because I always polish mine. Bill |
Jamie Schoolcraft Regular user Palmdale, CA 136 Posts |
I've been told sulphur will do it.
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Pete Biro 1933 - 2018 18558 Posts |
Cat urine soaked sawdust.
STAY TOONED... @ www.pete-biro.com
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Dougini Inner circle The Beautiful State Of Maine 7130 Posts |
Pete:
Doug |
magiclou New user 58 Posts |
NEVR-DULL sold at home depot works wonders on all types of metals copper, brass, chrome etc.
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eddieloughran Special user 942 Posts |
The black coins may not be copper !
I forget the date, but Queen Victoria pennies were made of a different alloy. These get very black. |
Jamie Schoolcraft Regular user Palmdale, CA 136 Posts |
So Pete can you vouch for us on that one...LOL.
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mkiger Loyal user 228 Posts |
I would be willing to supply Pete's Miracle Formula for free. With a slightly ridiculous shipping charge and a completely outrageous handling charge.
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Mike Wild Inner circle NY, PA, TX, MA, FL, NC 1290 Posts |
I simply train my cats to urinate on the coppers directly, and cut out the middleman. I've been breeding prize winning copper oxidizing cats for some time now with varying amounts of success. I find a well watered Persian gets the coins a coal-like black color in no time at all.
Actually, I simply carry my coins around for a week or so, play with them constantly, and they all seem to reach a nice uniform "copperish" color. I can't stand doing coin work with coins that look like they just came from the mint. There's more reality and mystery all at once with aged and weathered coins. |
Jonathan Townsend Eternal Order Ossining, NY 27297 Posts |
Nice to see magicians breeding familiars for a purpose. Looking forward to the day we also have closeup rabbits that grow no larger than a large gerbil or hamster.
As to copper coins in the hands... I wish my hands were that way. In my hands the oldest coins quickly go to a light color. I have to be careful with my old coins.
...to all the coins I've dropped here
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Mike Wild Inner circle NY, PA, TX, MA, FL, NC 1290 Posts |
That's odd. Some coins, typically the King George coppers, but not the Queen Elizabeths do that in my hands too. It must have to do with alloy content or finishing. Silver coins don't seem to do much of anything in my hands. They've been mildly tarnished for years, a little more worn today than they were back then, but very little color change. Hmmm, now I have another puzzle to think about... thanks Jonathan.
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Dark Elite user 406 Posts |
I hear chlorine bleach can turn silver coins black, you can try the same on the copper coins.
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shawlie New user Netherlands 99 Posts |
I was lucky enough to find quite a nice copper "coin" this weekend.
It's the size of an Eisenhower dollar, but thicker. It's a Revolution Bicentennial piece. One side sports Paul Revere, the other some sort of minute man. There is actually no value on the "coin", so I guess that's not what it really is. The only reason I bring it up in this thread is that I've had it in my pocket less than a week and it's extremely tarnished already. Pretty much black. I wish '67 pennies would do that. I just wonder what it is actually made of. |
Rob Elliott Elite user Reston VA 487 Posts |
Quote:
On 2004-03-10 17:58, WildStone wrote: I agree with you there, Mike. Besides, there's really no way to make your tarnished copper coins look new again. At best, you get that washed-out pinkish color. |
Mike Wild Inner circle NY, PA, TX, MA, FL, NC 1290 Posts |
I found a great copper coin today at Ye local coin shoppe. It's a Japanese 2 Sen coin, circa 1881. It's slightly larger in diameter (about 3mm) than a standard half dollar, but has plenty of edge that could be taken off to match the size of a half. It has a serpentine dragon design on one side, and a lotus flower design on the reverse. I picked up two for $8 in very good condition. I'm going to e-mail Todd to see if these coins can be milled and cut for C/S's.
Just an FYI for anyone looking for oriental coins with dragon art. |
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